Chapter 23 [1] (pp. 493-513)
Which of the following requires the most power in a series circuit?
100 W light bulb
If the voltage in a circuit is 12 V and the resistance is 6 ohms, what is the current in amps?
2
Which of the following is not a type of variable resistor
3-way switch
In a parallel circuit the total resistance will be ____ if there are individual resistances of 80 Ω, 100 Ω, and 150 Ω.
34.29Ω
What is the voltage in a circuit with an 8 ohm heating element that draws 6 amps?
48V
Voltage that changes direction regularly (60 times per second in the US) is called...
AC
A series circuit has more than one path for current to flow through.
False
In a series circuit the current varies as it passes through each load.
False
Small conductors have less resistance than larger conductors of the same material.
False
The current is the same in all parts of a parallel circuit.
False
Current, measured in Amps is represented in Ohms Law by the letter..
I
Which type of circuit has two or more paths for the current to flow through?
Parallel circuit
Which property of electricity is represented by the symbol Ω?
Resistance
Which of the following is not considered to be a load.
Switch
If a light bulb in a series circuit burns out or is removed, current flow in the circuit stops.
True
If you know the current and voltage in a circuit you can find the resistance.
True
The total resistance in a series circuit is equal to the sum of all the resistances in that circuit.
True
Voltage is theoretically the same across all loads of a parallel circuit.
True
The letter E is used in Ohms Law to represent...
volts